A free program for Android, by Sylkat.

Video converter mp4 is an application that allows you to convert different file formats based on your preference. This accepts mp4, mkv, flv, avi, 3gp, asf, mpg, ts, m2ts, ogg, vob, wmv, and more. With this, you don’t have to look for websites that converts videos. By downloading Video converter mp4, you are assured that everything converted in this app is safe. Lastly, you don’t have to worry about anything because this is created for free without the need to pay for subscriptions before downloading it on your device.